Finding the Fourth Proportional to 5,063,577.12, 6,987,914.16 and 2,771,739.72
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Solution
The fourth proportional to 5,063,577.12, 6,987,914.16 and 2,771,739.72 is: 3,825,098.10
Step by Step Solution
- Step 1: Write the proportion equation
5,063,577.12 : 6,987,914.16 = 2,771,739.72 : x - Step 2: Convert to fraction form
5,063,577.12/6,987,914.16 = 2,771,739.72/x - Step 3: Cross multiply
5,063,577.12x = 6,987,914.16 × 2,771,739.72 - Step 4: Simplify right side
5,063,577.12x = 19,368,679,237,222.44 - Step 5: Solve for x
x = 19,368,679,237,222.44/5,063,577.12 - Step 6: Final answer
x = 3,825,098.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.